參數(shù)資料
型號： S-8340
廠商： Seiko Instruments Inc.
英文描述： PWM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM控制，高頻步升開關穩(wěn)壓器-控制器)
中文描述： PWM控制高頻升壓型開關穩(wěn)壓器控制器（脈寬調(diào)制控制，高頻步升開關穩(wěn)壓器-控制器）
文件頁數(shù)： 8/38頁
文件大?。?/td> 420K
代理商： S-8340
PWM Control & PWM/PFM Control High-Frequency Step-Up Switching Regulator-Controllers
Rev.1.00
S-8340/8341 Series
Seiko Instruments Inc.
7
2.
S-834xB00AFT
(Ta = 25 C, unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Measure-
ment
Circuit
Output voltage
*1)
V
OUT
(E)
V
IN
=2.4V
I
OUT
=80mA
V
IN
=2.4V
I
OUT
=80mA
3.920
4.000
4.080
V
3
FB pin voltage
V
FB
0.980
1.000
1.020
V
3
Input voltage
V
IN
6
V
3
Oscillation start voltage
Current consumption 1
Current consumption 2
Current consumption
during power off
EXT pin output current
V
ST
2
I
SS
1
I
SS
2
No external component.
The voltage is applied to VDD.
V
OUT
=3.8V
V
OUT
=4.5V
V
OUT
=3.8V
Power-off pin = 0V
V
EXT
= V
OUT
(E) 0.2 V
V
EXT
=0.2 V
1.6V V
IN
2.4V
I
OUT
=80mA
V
IN
=2.4V
10 A I
OUT
100mA
V
IN
=2.4V
I
OUT
=80mA
40 C Ta 85°C
V
OUT
=3.8V
Measure waveform at EXT pin
V
IN
=3.8V
Measure waveform at EXT pin
0.9
740
300
V
A
A
4
4
4
460
180
I
SSS
3.0
A
4
I
EXTH
I
EXTL
19
46
30
69
mA
mA
Line regulation
V
OUT
1
20
40
mV
3
Load regulation
V
OUT
2
20
40
mV
3
Output voltage
temperature coefficient
*2)
V
OUT
Ta V
OUT
100
ppm/
°C
3
Oscillation frequency
fosc
510
600
690
kHz
4
Maximum duty ratio
MaxDuty
73
82
89
%
4
PWM/PFM-control
switch duty ratio
(S-8341B00AFT)
PFMDuty
V
IN
=V
OUT
(E) 0.1V
Under no load
19
27
35
%
3
Current limit detection
voltage
V
SENSE
V
OUT
=3.8V
Judge oscillation stop in "L", at
EXT pin.
V
OUT
=6V, V
FB
=1.5V
V
OUT
=3.8V
Judge oscillation at EXT pin.
V
OUT
=3.8V
Judge oscillation stop at EXT
pin.
V
OUT
=6V,V
ON/OFF
=6V
V
OUT
=6V,V
ON/OFF
=0V
V
IN
=2.4V,
C
SS
=4700pF
I
OUT
=80mA
V
IN
=2.4V, I
OUT
=80mA
90
120
150
mV
4
FB pin input current
I
FB
50
50
nA
4
Power-Off pin
input voltage
V
SH
0.8
V
4
V
SL
0.3
Power-Off pin
input leakage current
I
SH
I
SL
0.1
0.1
A
4
Soft-Start time
T
SS
3.0
8.5
14.0
ms
3
Efficiency
EFFI
85
%
3
*1)
V
OUT
(E): Actual output voltage value: Output voltage value when I
OUT
=80 mA and V
IN
=2.4 V is input.
300k
100k
*2)
Change of output voltage with temperature mV °C is represented by the following equation:
However, the temperature change rates for RFB1 and RFB2 are assumed to be the same.
=
1+
RFB1
RFB2
V
OUT
Ta V
OUT
(
Output voltage temperature factor
)
(
Change of output voltage with temperature
) (
Set output voltage value
)
[mV/ C]
V
OUT
Ta
×
[ppm/ C]
1000
Typ. value (set output voltage value) is 1+
V .
相關PDF資料
PDF描述
S-8340A PWM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM控制，高頻步升開關穩(wěn)壓器-控制器)
S-8340B PWM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM控制，高頻步升開關穩(wěn)壓器-控制器)
S-8341 PWM/PFM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM/PFM控制，高頻步升開關穩(wěn)壓器-控制器)
S-8341A PWM/PFM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM/PFM控制，高頻步升開關穩(wěn)壓器-控制器)
S-8341B PWM/PFM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM/PFM控制，高頻步升開關穩(wěn)壓器-控制器)
相關代理商/技術參數(shù)
參數(shù)描述
S-8340A25AFT-T2 功能描述:DC/DC 開關控制器 2.5V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
S-8340A25AFT-T2-G 功能描述:DC/DC 開關控制器 2.5V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
S-8340A30AFT-T2 功能描述:DC/DC 開關控制器 3.0V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
S-8340A30AFT-T2-G 功能描述:DC/DC 開關控制器 3.0V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
S-8340A33AFT-T2 功能描述:DC/DC 開關控制器 3.3V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*